powerpc/powernv: Remove unneeded variable: "rc"

Remove unneeded variable: "rc".

Signed-off-by: dingsenjie <dingsenjie@yulong.com>
Reviewed-by: Andrew Donnellan <ajd@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20210326115356.12444-1-dingsenjie@163.com

diff --git a/arch/powerpc/platforms/powernv/opal-prd.c b/arch/powerpc/platforms/powernv/opal-prd.c
index deddaebf8c14f80f33948487529551ad5e8cf8a9..a191f4c60ce71c72d9d6a3012d3621f42f277510 100644 (file)
--- a/arch/powerpc/platforms/powernv/opal-prd.c
+++ b/arch/powerpc/platforms/powernv/opal-prd.c
@@ -105,7 +105,6 @@ static int opal_prd_mmap(struct file *file, struct vm_area_struct *vma)
 {
        size_t addr, size;
        pgprot_t page_prot;
-       int rc;
 
        pr_devel("opal_prd_mmap(0x%016lx, 0x%016lx, 0x%lx, 0x%lx)\n",
                        vma->vm_start, vma->vm_end, vma->vm_pgoff,
@@ -121,10 +120,8 @@ static int opal_prd_mmap(struct file *file, struct vm_area_struct *vma)
        page_prot = phys_mem_access_prot(file, vma->vm_pgoff,
                                         size, vma->vm_page_prot);
 
-       rc = remap_pfn_range(vma, vma->vm_start, vma->vm_pgoff, size,
+       return remap_pfn_range(vma, vma->vm_start, vma->vm_pgoff, size,
                                page_prot);
-
-       return rc;
 }
 
 static bool opal_msg_queue_empty(void)